sql在最下面!!!
php.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<a href="registered.php">注册</a>
<a href="login.php">登陆</a>
</body>
</html>
注册:registered.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form action="registered.php" method="POST">
注册:<input type="text" name="username">
<input type="password" name="password">
<input type="submit" value="提交">
</form>
</body>
</html>
<?php
//用户输入的(表单传过来的)
$username=$_POST['username'];
$password=$_POST['password'];
if(!$username||!$password)
{
exit();
}
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql = "INSERT INTO login(username,password)
VALUES ('{$username}','{$password}')";
$query=mysqli_query($link,$sql);
echo "<script>alert('恭喜你,注册cyg管理系统成功啦');location.href='login.php';</script>";
登录:login.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form action="login.php" method="POST">
登录:<input type="text" name="username">
<input type="password" name="password">
<input type="submit" value="提交">
</form>
</body>
</html>
<?php
session_start();
//用户输入的(表单传过来的)
$username=$_POST['username'];
$password=$_POST['password'];
if(!$username||!$password)
{
$_SESSION['login']=0;
exit();
}
else
{
$_SESSION['login']=1;
//=========================
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
//查询然后判断数据库中的用户名username+密码password是不是与表单传过来的$username+$password相匹配.
$sql="select * from login where username='{$username}' and password='{$password}'";
$query=mysqli_query($link,$sql);//运行sql
$result=mysqli_fetch_array($query);//把对象变成数组,不然直接输出会报错
if($result)
{
echo "<script>alert('登录成功');window.location.href='index.php';</script>";
}
else
{
echo "<script>alert('抱歉,用户还没注册过')</script>";
}
}
登录后:有发帖功能index.php
<?php
session_start();
if($_SESSION['login']!=1)
{
echo "<script>alert('抱歉,用户还没登录');window.location.href='login.php';</script>";
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<a href="ft.php">点击发帖</a>
</body>
</html>
发帖页:ft.php
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<form action="ft.php" method="POST" enctype="multipart/form-data">
<!--<input type="hidden" name="MAX_FILE_SIZE" value="30000" />-->
Send this file: <input name="file" type="file" />
<textarea name="content" id="" cols="300" rows="100"></textarea>
<input type="submit" value="提交" />
</form>
</script>
</body>
</html>
<?php
$link=mysqli_connect('localhost','root','','a');
mysqli_set_charset($link,'utf8');
$content=$_POST['content'];
echo move_uploaded_file($_FILES['file']['tmp_name'],'../upload/'.basename($_FILES['file']['name']));
$file='../upload/'.basename($_FILES['file']['name']);
$sql = "INSERT INTO ft(content,file)
VALUES ('{$content}','{$file}')";
mysqli_query($link,$sql);
?>
<a href="list.php">回到列表页</a>
列表页:list.php
<?php
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql="select * from ft";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,$sql);//运行sql
?>
<!--显示的效果-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<?php
while ($row=mysqli_fetch_array($result)) {//把对象编程数组输出,不然会报错哦
# code...
echo "<div>$row[content]</div>";
echo "<a href='detail.php?id=$row[id]'><img src=$row[file] /></a>";
}
?>
</body>
</html>
详情页:detail.php
<?php
$id=$_GET['id'];
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql="select * from ft where id=$id";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,$sql);//运行sql
while ($row=mysqli_fetch_array($result)) {//把对象编程数组输出,不然会报错哦
# code...
echo "<div>$row[content]</div>";
}
?>
-- phpMyAdmin SQL Dump
-- version 4.5.1
-- http://www.phpmyadmin.net
--
-- Host: 127.0.0.1
-- Generation Time: 2022-04-04 16:29:26
-- 服务器版本: 10.1.13-MariaDB
-- PHP Version: 5.6.21
SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;
--
-- Database: `a`
--
-- --------------------------------------------------------
--
-- 表的结构 `ft`
--
CREATE TABLE `ft` (
`id` int(30) NOT NULL,
`content` text COLLATE utf8_vietnamese_ci NOT NULL,
`file` varchar(255) COLLATE utf8_vietnamese_ci NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_vietnamese_ci;
--
-- 转存表中的数据 `ft`
--
INSERT INTO `ft` (`id`, `content`, `file`) VALUES
(12, 'aaa', '../upload/1.jpg'),
(13, '', '../upload/'),
(14, '666', '../upload/8c97b378cb62cb233382d763cf6c90ef.jpeg');
-- --------------------------------------------------------
--
-- 表的结构 `login`
--
CREATE TABLE `login` (
`id` int(11) NOT NULL,
`username` varchar(100) COLLATE utf8_vietnamese_ci NOT NULL COMMENT '用户名',
`password` varchar(100) COLLATE utf8_vietnamese_ci NOT NULL COMMENT '密码'
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_vietnamese_ci;
--
-- 转存表中的数据 `login`
--
INSERT INTO `login` (`id`, `username`, `password`) VALUES
(50, 'cyg', '123456');
--
-- Indexes for dumped tables
--
--
-- Indexes for table `ft`
--
ALTER TABLE `ft`
ADD PRIMARY KEY (`id`);
--
-- Indexes for table `login`
--
ALTER TABLE `login`
ADD PRIMARY KEY (`id`);
--
-- 在导出的表使用AUTO_INCREMENT
--
--
-- 使用表AUTO_INCREMENT `ft`
--
ALTER TABLE `ft`
MODIFY `id` int(30) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=15;
--
-- 使用表AUTO_INCREMENT `login`
--
ALTER TABLE `login`
MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=51;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;